Home / 20,734,784.28-31,098,631.62-5,585,172.84

Finding the Fourth Proportional to 20,734,784.28, 31,098,631.62 and 5,585,172.84

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Solution

The fourth proportional to 20,734,784.28, 31,098,631.62 and 5,585,172.84 is: 8,376,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,784.28 : 31,098,631.62 = 5,585,172.84 : x
  2. Step 2: Convert to fraction form
    20,734,784.28/31,098,631.62 = 5,585,172.84/x
  3. Step 3: Cross multiply
    20,734,784.28x = 31,098,631.62 × 5,585,172.84
  4. Step 4: Simplify right side
    20,734,784.28x = 173,691,232,685,189.19
  5. Step 5: Solve for x
    x = 173,691,232,685,189.19/20,734,784.28
  6. Step 6: Final answer
    x = 8,376,804.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.